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Title: Supersymmetry and LHC missing energy signals

Abstract

Current analyses of the LHC data put stringent bounds on strongly interacting supersymmetric particles, restricting the masses of squarks and gluinos to be above the TeV scale. However, the supersymmetric electroweak sector is poorly constrained. In this article we explore the consistency of possible LHC missing energy signals with the broader phenomenological structure of the electroweak sector in low energy supersymmetry models. As an example, we focus on the newly developed recursive jigsaw reconstruction analysis by ATLAS, which reports interesting event excesses in channels containing dilepton and trilepton final states plus missing energy. We show that it is not difficult to obtain compatibility of these LHC data with the observed dark matter relic density, the bounds from dark matter direct detection experiments, and the measured anomalous magnetic moment of the muon. As a result, we provide analytical expressions which can be used to understand the range of gaugino masses, the value of the Higgsino mass parameter, the heavy Higgs spectrum, the ratio of the Higgs vacuum expectation values tanβ, and the slepton spectrum obtained in our numerical analysis of these observables.

Authors:
 [1];  [2]; ORCiD logo [2];  [3]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, Chicago, IL (United States)
  2. Wayne State Univ., Detroit, MI (United States)
  3. Univ. of Chicago, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1484833
Alternate Identifier(s):
OSTI ID: 1487052
Report Number(s):
arXiv:1809.11082; FERMILAB-PUB-18-506-T; EFI-18-15; WSU-HEP-1806
Journal ID: ISSN 2470-0010; PRVDAQ; 1696336
Grant/Contract Number:  
AC02-07CH11359; FG02-13ER41958; AC02-06CH11357; SC0007983
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 98; Journal Issue: 11; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Carena, Marcela, Osborne, James, Shah, Nausheen R., and Wagner, Carlos E. M. Supersymmetry and LHC missing energy signals. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.115010.
Carena, Marcela, Osborne, James, Shah, Nausheen R., & Wagner, Carlos E. M. Supersymmetry and LHC missing energy signals. United States. doi:10.1103/PhysRevD.98.115010.
Carena, Marcela, Osborne, James, Shah, Nausheen R., and Wagner, Carlos E. M. Thu . "Supersymmetry and LHC missing energy signals". United States. doi:10.1103/PhysRevD.98.115010.
@article{osti_1484833,
title = {Supersymmetry and LHC missing energy signals},
author = {Carena, Marcela and Osborne, James and Shah, Nausheen R. and Wagner, Carlos E. M.},
abstractNote = {Current analyses of the LHC data put stringent bounds on strongly interacting supersymmetric particles, restricting the masses of squarks and gluinos to be above the TeV scale. However, the supersymmetric electroweak sector is poorly constrained. In this article we explore the consistency of possible LHC missing energy signals with the broader phenomenological structure of the electroweak sector in low energy supersymmetry models. As an example, we focus on the newly developed recursive jigsaw reconstruction analysis by ATLAS, which reports interesting event excesses in channels containing dilepton and trilepton final states plus missing energy. We show that it is not difficult to obtain compatibility of these LHC data with the observed dark matter relic density, the bounds from dark matter direct detection experiments, and the measured anomalous magnetic moment of the muon. As a result, we provide analytical expressions which can be used to understand the range of gaugino masses, the value of the Higgsino mass parameter, the heavy Higgs spectrum, the ratio of the Higgs vacuum expectation values tanβ, and the slepton spectrum obtained in our numerical analysis of these observables.},
doi = {10.1103/PhysRevD.98.115010},
journal = {Physical Review D},
number = 11,
volume = 98,
place = {United States},
year = {2018},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.98.115010

Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

Figures / Tables:

FIG. 1 FIG. 1: Feynman diagrams for the scenarios targeted by the ATLAS RJR analysis, leading to final states of either two (left) or three (right) leptons plus missing energy. Several of the SRs require an additional ISR jet, shown in light gray.

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.